<template>
  <div class="fixed">
    <div class="bgColor">
      <h1 class="main-shopcart">购物车</h1>
    </div>
    <div class="container">
      <div class="main">
        <div class="nav">
          <span class="left">全部课程</span>
        </div>
        <ul class="head" v-if="list.length > 0">
          <li class="item check">
            <el-checkbox v-model="isAllSelet" @change="AllselectChange">全选</el-checkbox>
          </li>
          <li class="item classInfo">课程信息</li>
          <li class="item price">单价</li>
          <li class="item count">数量</li>
          <li class="item total">金额</li>
          <li class="item function">操作</li>
        </ul>
        <div v-if="list.length > 0">
          <ul class="haveorder" v-for="item in list" :key="item.id">
            <li class="order-item">
              <el-checkbox v-model="item.checked" @change="ItemCheckboxChange($event, item)"></el-checkbox>
            </li>
            <li class="order-item info">
              <div class="courseimg">
                <img :src="item.courseCover" alt="" />
              </div>
              <div class="course-name">{{ item.courseName }}</div>
            </li>

            <li class="order-item">￥{{ item.salePrice }}</li>
            <li class="order-item num">{{ item.counter }}</li>
            <li class="order-item totoalprice">￥{{ item.salePrice * item.counter }}</li>
            <li class="order-item delete">
              <a href="javascript:;">
                <div>
                  <i class="el-icon-delete"></i>
                  <el-popconfirm title="确定删除吗?" @confirm="deleteShopCarItme(item.id)">
                    <template #reference>
                      <span class="deletd-text">删除</span>
                    </template>
                  </el-popconfirm>
                </div>
              </a>
            </li>
          </ul>
        </div>
        <div class="noOrder" v-else>
          <img src="./images/空数据.png" alt="" />
          <div class="order-alert">哎呦！暂无订单</div>
        </div>
        <el-divider class="line"></el-divider>
        <ul class="foot" v-if="list.length > 0">
          <li class="foot-item">已选课程<span class="unique">{{ sumConter }}</span></li>
          <li class="foot-item">合计<span class="unique">{{ sumPrice }}￥</span></li>
          <li>
            <button class="btn" @click="GoPayHandler">去结算</button>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script setup>
import useShopCarStore from "../../../store/shopCar";
import { storeToRefs } from "pinia";
import { req_delShopCarItem, req_CreateToken, req_submitShopCar } from '../../../api/req_fun'
import { useRouter } from 'vue-router'
// 数据
const router = useRouter()
const shopCarStore = useShopCarStore();
const { list, sumPrice, sumConter, courses, payModes } = storeToRefs(shopCarStore);
const seletids = ref([]);
// 方法
const deleteShopCarItme = (id) => {
  req_CreateToken().then(({ data: { data: { token } } }) => {
    req_delShopCarItem(token, { id }).then((res) => {
      if (parseInt(res.data.meta.code) === 200) {
        // 派发action  重新获取数据、
        ElMessage.success('删除成功')
        shopCarStore.get_shopCarList();
      }
    })
  })

};
const ItemCheckboxChange = (value, item) => {
  if (value) {
    item.checked = true
    seletids.value.push(item.id);

  } else {
    item.checked = false
    seletids.value = seletids.value.filter((i) => i !== item.id)
  }
};
const AllselectChange = (value) => {
  if (value) {
    list.value.forEach(item => item.checked = true)
    seletids.value = list.value.map(item => item.id)
  } else {
    list.value.forEach(item => item.checked = false)
    seletids.value = []
  }
}
const GoPayHandler = () => {
  // 调用接口提交数据 生成订单列表
  let SubmitList = list.value.map((item) => {
    if (item.checked && (item.checked === true)) {
      return {
        number: item.counter,
        id: item.id
      }
    }
  })
  SubmitList = SubmitList.filter(item => item)
  console.log(SubmitList);
  req_submitShopCar(SubmitList).then((res) => {
    courses.value = SubmitList
    payModes.value = [{ type: '微信', value: 'wxpayment' }, { type: '支付宝', value: 'alipayment' }]
    // 跳转到订单支付页面
    router.push('/home/order')
  }).catch((err) => {
    console.log(err);
  })
}
// 计算属性
const isAllSelet = computed(() => {
  return (seletids.value.length === list.value.length) && seletids.value.length !== 0
})
// 钩子
onBeforeMount(() => {
  // 派发action获取数据、
  shopCarStore.get_shopCarList();
});
</script>

<style scoped>
.fixed {
  width: 100%;
  height: 100%;
  background: #ffffff;
}

.bgColor {
  width: 100%;
  height: 200px;
  background-color: red;
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.container {
  width: 1200px;
  margin: -100px auto 50px auto;
  background: #ebedf2;
  border-radius: 12px;
  box-shadow: 0px 2px 5px #888888;
}

.main {
  padding: 20px;
  border-radius: 5px;
}

.main-shop {
  position: relative;
  display: flex;
  align-content: center;
}

.main-shop i {
  font-size: 35px;
  padding: 20px 10px 0 0;
  color: #ff4400;
  font-weight: bold;
}

.main-shopcart {
  width: 1200px;
  margin: 0 auto;
  height: 42px;
  font-size: 24px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  line-height: 35px;
  color: #ffffff;
  padding: 30px 0;
  opacity: 1;
}

.nav {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid #e6e6e6;
}

.nav .left {
  width: 80px;
  height: 26px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  line-height: 0px;
  color: #ff4400;
  opacity: 1;
  border-bottom: 2px solid #ff4400;
}

.nav .right {
  width: 108px;
  height: 24px;
  font-size: 14px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  line-height: 0px;
  color: #333333;
  opacity: 0.5;
}

/* 头部开始 */
.head {
  display: flex;
  padding: 0 10px;
  margin: 20px 0;
  width: 100%;
  height: 35px;
  line-height: 35px;
  background: #fcfcfc;
  opacity: 1;
  border-radius: 0px;
  box-sizing: border-box;
  border-radius: 5px;
  box-shadow: 0px 2px 5px 2px #cccccc;
}

.head .item {
  width: 150px;
  font-size: 14px;
  color: #333333;
}

.check .all {
  margin-right: 10px;
}

.check .text {
  width: 1487px;
  height: 40px;
}

.classInfo {
  width: 400px !important;
  color: #333333;
}

/* 头部结束 */

/* 订单开始 */
.haveorder {
  display: flex;
  /* width: 100%; */
  height: 200px;
  background: #fcfcfc;
  margin-bottom: 10px;
  border-radius: 5px;
  box-shadow: 0px 2px 5px 2px #cccccc;
}

.haveorder .order-item {
  height: 200px;
  line-height: 200px;
  margin: 5px;
}

.order-item:first-child {
  width: 30px;
}

.order-item {
  width: 150px;
  font-size: 16px;
  color: #333333;
}

.totoalprice {
  color: #e2231a;
}

.num {
  width: 120px !important;
  padding-left: 15px;
}

.info {
  display: flex;
  width: 470px !important;
  height: 200px;
  line-height: 200px;
}

.courseimg {
  margin: 40px 20px 40px 0;
  width: 200px;
  height: 120px;
}

.courseimg img {
  width: 100%;
  height: 100%;
}

.info .course-name {
  width: 300px;
  word-break: keep-all;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.delete {
  cursor: pointer;
}

.deletd-text {
  margin-left: 5px;
}

/* 订单结束 */

/* 暂无订单开始 */
.noOrder {
  width: 100%;
  height: 100%;
  text-align: center;
  margin: 200px 0;
}

.order-alert {
  height: 31px;
  font-size: 20px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  line-height: 0px;
  color: #b5b9bc;
  opacity: 1;
  margin: 20px 120px;
}

/* 暂无订单结束 */
.foot {
  display: flex;
  justify-content: flex-end;
  /* width: 100%; */
  height: 40px;
  line-height: 40px;
  color: #333333;
  margin-bottom: 10px;
}

.foot-item {
  width: 120px;
  height: 40px;
  line-height: 40px;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
}

.unique {
  margin-left: 5px;
  font-size: 24px;
  color: #ff4400;
}

.btn {
  width: 120px;
  height: 40px;
  margin-left: 20px;
  border: none;
  color: #ffffff;
  font-size: 22px;
  border-radius: 5px;
  background: #ff4400;
  cursor: pointer;
  box-shadow: 0px 3px 5px 2px #ff727f;
}
</style>
